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Re:AC in tank
>A pH monitor is a VERY sensitive circuit. I wonder if the design is
>robust enough? I wonder if there are ground loop problems involved (improper
>isolation of the PC power supply and the probe circuitry)?
I have been in touch with Hanna Well there suggestion was to ground the
tank to the rs232 ground. I did and no better. But while I was at it I
figured I would ground it to
everything I could. I even did the old coil of the probe line around a
troid. Nothin'...then as I was moving the alligator clip off the BNC, I
touched it to the probe shield, and voila, its stable. Told Hanna about
Thanks George, and David. It really is a neat device.....NOW
Best to you
RicCooney at Worldnet_att.net
"Any technology sufficiently advanced, is indistinguishable from magic."
Albert Einstein, (I think)